Panettiere has now told Zap2It that she hasn't heard anything about a possible spinoff.

"I have no idea of any intention [of it]," she said. "I think if it happened, it would be a little bit down the road. It would be fun to do, but I know nothing about it."

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Panettiere added that she loved starring in Heroes, saying: "I grew up on that show. I spent some of my real developmental years there, and that's my family. They were the best people to grow up around, and it was a great experience. And I loved playing Claire - she grew up with me, and I grew up with her."

Heroes creator Tim Kring is currently developing a new drama pilot for Fox.